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Silver Bow Creek/Butte Area Superfund Site

Submissions from 2024 2024

Butte Priority Soils Operable Unit (BPSOU) Draft Final Unreclaimed Sites Field Sampling Plan (FSP) Package #11: UR-49 and UR-50, Atlantic Richfield Company

TECHNICAL SPECIFICATIONS - Silver Bow Creek Conservation Area - 60% SUBMITTAL April 2024, Atlantic Richfield Company

REVISED FINAL MULTI-PATHWAY RESIDENTIAL METALS ABATEMENT PROGRAM PLAN, Atlantic Richfield Company and Butte Silver Bow

Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – After the Bell Child Care Center, Thomas J. Beckman, Christopher Berg, and Environmental Resource Management (ERM)

Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Butte Career Center / Webster Garfield, Christopher Berg and Thomas J. Beckman

Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) East Middle School, Christopher Berg and Thomas J. Beckman

Residential Metals Abatement Program Construction Completion Report Kennedy Elementary, Christopher Berg, Thomas J. Beckman, and Environmental Resource Management (ERM)

Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Silver Bow Montessori, Christopher Berg, Thomas J. Beckman, and Environmental Resource Management (ERM)

Approved Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan Request for Change to Install Additional Test Pits and Perform Material Characterization, Josh Bryson

Attachment A Demonstration of Need for Butte Priority Soils Operable Unit (BPSOU) Temporary Construction Surface Water Performance Standards Variance Request for Grove Gulch Sedimentation Bay Remedial Action Site, Josh Bryson

Berkely Pit Repository Cost Comparison, Josh Bryson

Butte Priority Soils Operable Unit Diggings East 60% Remedial Design Package Submittal, Josh Bryson

Butte Priority Soils Operable Unit Grove Gulch Sedimentation Bay 100% Remedial Design, Josh Bryson

Butte Reduction Works (BRW) Phase II Interim Demolition Plan Construction Drawings and Floodplain Encroachment Analysis, Josh Bryson

Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2024-01, Josh Bryson

RE: Approved Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan Request for Change to Install Additional Test Pits and Perform Material Characterization, Josh Bryson

RE: Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2024-01, Josh Bryson

RE: Silver Bow Creek Butte Area NPL Site 2nd Quarter 2024 Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

RE: Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (QAPP), Josh Bryson

Silver Bow Creek Butte Area NPL Site 4th Quarter 2023 Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

Silver Bow Creek/Butte Area NPL Site Butte Priority Soils Operable Unit, Remedial Design Documents for the Blacktail Creek Area Groundwater Hydraulic Control System, Josh Bryson

Silver Bow Creek/Butte Area NPL Site Butte Priority Soils Operable Unit, Remedial Design Documents for the Blacktail Creek Area Groundwater Hydraulic Control System, Josh Bryson

Silver Bow Creek Butte Area NPL Site Fall Semi-Annual 2023 Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan Request for Change to Install Additional Test Pits and Perform Material Characterization, Josh Bryson

Silver Bow Creek Conservation Area (SBCCA) 60% Technical Specifications Submittal, Josh Bryson

TECHNICAL MEMORANDUM Grove Gulch Earth Volumetric Studio Model Inputs, Josh Bryson

2024 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 10 - After the Bell Child Care Center, Environmental Resource Management (ERM)

2024 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 11 - Baptist Student Union, Environmental Resource Management (ERM)

2024 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 11 - Baptist Student Union, Environmental Resource Management (ERM)

2024 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Kennedy Elementary Surface Dust Resampling, Environmental Resource Management (ERM)

2024 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Kennedy Elementary Surface Dust Resampling, Environmental Resource Management (ERM)

Remedial Action Work Plan Silver Bow Montessori, Environmental Resource Management (ERM)

Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Small World Day Care, Environmental Resource Management (ERM)

Residential Metals Abatement Program Construction Completion Report (Non-Residential Parcels – Indoor Soil) - Butte High School, Environmental Resource Management (ERM)

Residential Metals Abatement Program Construction Completion Report (Non-Residential Parcels – Indoor Soil) - Butte High School, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - East Middle School, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) East Middle School, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Emerson Elementary School, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Gold Hill Lutheran Church (Creativity Factory Preschool), Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non- Residential Parcels – Indoor Dust) Small World Daycare, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Small World Daycare, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Small World Daycare, Environmental Resource Management (ERM)

Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) United Congregational Church (Crayon Academy Preschool), Environmental Resource Management (ERM)

Draft Comments on BPSOU “Diggings East 60% Remedial Design Package” Received from British Petroleum - Atlantic Richfield Company (BP-AR) on 4/23/2024, Jim Ford

Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised 2023 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 8 – Gold Hill Lutheran Church (Creativity Factory Preschool) and United Congregational (Crayon Academy Preschool) (dated July 26, 2023), Nikia Greene

Approval letter for the Request for Change (RFC) to the Butte Priority Soils Operable Unit (BPSOU) Request for Change (RFC)-BRW-2023-03 to the Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP) (Phase III) (dated June 29, 2023)., Nikia Greene

Re: Approval of Berkeley Pit Predictive Water Level Model letter; dated January 24, 2024, Nikia Greene

Re: Approval of Quality Assurance Project Plan, 2024 [QAPP] – Butte Mine Flooding Operable Unit, Long-Term Monitoring Program; dated November 30, 2023, Nikia Greene

BMFOU Pilot Project RFC - REQUEST FOR CHANGE, Nikia Greene and Daryl Reed

Repository and Haul Route Geotechnical Pre-Design Investigation (PDI) Work Plan, Jacobs Engineering Group

Repository and Proposed Haul Route – Silver Bow Creek Conservation Area Quality Assurance Project Plan, Jacobs Engineering Group

Approved Butte Priority Soils Operable Unit (BPSOU) Unreclaimed and Insufficiently Reclaimed Sites Request for Change 2023-02, Mike McAnulty

Approved Butte Priority Soils Operable Unit (BPSOU) Unreclaimed and Insufficiently Reclaimed Sites Request for Information 2022-01, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Butte Hill Revegetation Specifications (BHRS), Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 120 – Bonanza Dump., Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 120 – Bonanza Dump., Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 181 – Mountain Con-3 Dump, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Draft Final Unreclaimed Sites Field Sampling Plan (FSP) Package #10: UR-44, UR-45, UR-46, UR-47, and UR-48, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 34E – Eveline Dump East, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 52 – Moscow Dump, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 78 – Original Mine Yard, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Final Unreclaimed Sites FSPs Request for Change UR/IR 2024-001, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Final Unreclaimed Sites FSPs Request for Change UR/IR 2024-001, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 181 – Mountain Con-3 Dump and Responses to Agency Comments, Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Unreclaimed (UR) Sites Final UR Field Sampling Plan (FSP) Submittal #4 – Request For Change (RFC) -UR FSP #4-001., Mike McAnulty

Butte Priority Soils Operable Unit (BPSOU) Unreclaimed (UR) Sites Final UR Field Sampling Plan (FSP) Submittal #4 – Request For Change (RFC) -UR FSP #4-001., Mike McAnulty

Final 2024 Residential Metals Abatement Program (RMAP) Mandan Park Soil Remedial Action Work Plan (RAWP), Mike McAnulty

Final 2024 Residential Metals Abatement Program (RMAP) Park Soil Sampling Field Sampling Plan (FSP) Submittal #13 [Copper Mountain Park], Mike McAnulty

Medical Monitoring Working Group Focused Call Summaries, Mike McAnulty

Medical Monitoring Working Group Focused Call Summary Amendment, Mike McAnulty

Medical Monitoring Working Group Meeting Minutes, Mike McAnulty

RE: Butte Priority Soils Operable Unit (BPSOU) 2024 Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 121 – Travona Dump., Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 125 – Child Harold-2 Dump., Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 49 – Old Glory., Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) BRES No. 74 – West Gagnon Dump., Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Unreclaimed Sites Field Sampling Plan (FSP) Package #10: UR-44, UR-45, UR-46, UR-47, and UR-48, Mike McAnulty

Re: Butte Priority Soils Operable Unit (BPSOU) Final Unreclaimed Sites Field Sampling Plan (FSP) Package #11: UR-49 and UR-50, Mike McAnulty

RE: Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Responses to Agency Comments, Mike McAnulty

RE: Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Responses to Agency Comments, Mike McAnulty

RE: Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Responses to Agency Comments, Mike McAnulty

Request for Change (RFC-RMAP-2024-002), Mike McAnulty

Final Executed Request for Change (RFC-RMAP-2024-002), Mike McAnulty and Eric Hassler

2024 Draft Blacktail Creek Remediation and Contaminated Groundwater Hydraulic Control Site Pre-Design Investigation Work Plan, Pioneer Technical Services, Inc.

2024 Draft Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

2024 Draft Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (QAPP) for Microbial Analysis and Biotreatability Study, Pioneer Technical Services, Inc.

2024 Draft Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

2024 Draft Final Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

2024 Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

Berkeley Pit and Discharge Pilot Project Downstream Field Sampling Plan 2024 Update, Revision 1, Pioneer Technical Services, Inc.

Butte Priority Soils Operable Unit (BPSOU) Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2022., Pioneer Technical Services, Inc.

Butte Reduction Works Interim Demolition Plan Phase II Encroachment Analysis, Pioneer Technical Services, Inc.

Draft Final 2021-2022 Residential Metals Abatement Program (RMAP) Aware Early Head Start Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.

Draft Final 2021 Residential Metals Abatement Program (RMAP) Head Start (former Lincoln School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.

Draft Final 2022 Unreclaimed Sites Sampling UR-13 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

Draft Final 2023 BPSOU Subdrain Data Summary Report (DSR), Pioneer Technical Services, Inc.

Draft Final 2023 Residential Metals Abatement Program (RMAP) Whitehall Borrow Submittal #2, Pioneer Technical Services, Inc.

Draft Final 2024 Butte Priority Soils Operable Unit Helehan Borrow Submittal #2, Pioneer Technical Services, Inc.

Draft Final 2024 Butte Priority Soils Operable Unit Type B Borrow Material Submittal #2, Pioneer Technical Services, Inc.

Draft Final 2024 Residential Metals Abatement Program (RMAP) Brown’s Gulch Borrow Submittal #1, Pioneer Technical Services, Inc.